host-* to hosts/*, dfm rework, renaming and stuff

scripts/install-xcode-cli-tools.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+#
+# Install XCode CLI Tools with osascript magic.
+# Ismo Vuorinen <https://github.com/ivuorinen> 2018
+#
+
+# Ask for the administrator password upfront
+sudo -v
+
+# Keep-alive: update existing `sudo` time stamp until `settler` has finished
+while true; do
+  sudo -n true
+  sleep 60
+  kill -0 "$$" || exit
+done 2> /dev/null &
+
+# https://unix.stackexchange.com/a/408305
+# check if user has git installed and propose to install if not installed
+if [ "$(which git)" ]; then
+  echo "You already have git. Continuing..."
+else
+  XCODE_MESSAGE="$(
+    osascript -e \
+      'tell app "System Events" to display dialog "Please click install when Command Line Developer Tools appears"'
+  )"
+
+  if [ "$XCODE_MESSAGE" = "button returned:OK" ]; then
+    xcode-select --install
+  else
+    echo "You have cancelled the installation, please rerun the installer."
+    exit
+  fi
+fi
+
+until [ "$(which git)" ]; do
+  echo -n "."
+  sleep 1
+done